WGU D315 Pre-Assessment Network And
Security Foundations Exam Questions
With 100% Correct And Verified Answers
100% 2025
WhichlOSIllayerlislrelatedltolthelfunctionloflthelIPlprotocollsuite?
a.lTransport
b.lNetwork
c.lDatalLink
d.lSessionl-lCORRECTlANSWERS-Network
WhichlOSIllayerlislresponsiblelforlorganizinglhowlbitslarelpassedloverlthelphy
sicalllayerlbetweenldeviceslwithinlthelsamelcollisionldomain?
a.lFrame
b.lConnection
c.lTransport
d.lDatalLinkl-lCORRECTlANSWERS-DatalLink
WhichlOSIllayerlwouldldefinelthelscopeloflalprotocollthatlmakeslsurelpacketsl
ofldatalarelreceivedlcorrectlylandlresendslthemlifltheylarelnot?
a.lValidation
b.lTransmission
c.lTransport
d.lConnectionl-lCORRECTlANSWERS-Transport
WhichlprotocollsuitelperformslfunctionsloflOSIllayerl4?
a.lIPX
b.lMAC
c.lCSMA/CD
d.lTCPl-lCORRECTlANSWERS-TCP
WhichltypeloflEthernetlcablelcanlmaintainl10Gbpsltransmissionlspeedslthrou
ghlthelcourseloflitslmaximuml100-meterllength?
a.lCATl5e
b.lCATl5
vendarsol
,c.lCATl3
d.lCATl6al-lCORRECTlANSWERS-CATl6a
WhichlInternetlaccessltechnologyluseslordinaryltelephonelwireslforldataltran
smission?
a.lDSL
b.lCable
c.lWi-Fi
d.lHotspotl-lCORRECTlANSWERS-DSL
Whichldevicelislusedltolorganizelnetworklcableslasltheylrunlbetweenlswitche
slandlotherlnetworkldevices?
a.lJack
b.lHub
c.lPatchlPanel
d.lRouterl-lCORRECTlANSWERS-PatchlPanel
Whichlnetworkldevicelislusedltolconnectltwolorlmorelnetworklsegmentslbylpe
rforminglOSIllayerl3lfunctionsllikelpacket-forwarding?
a.lRouter
b.lRepeater
c.lWire
d.lSwitchl-lCORRECTlANSWERS-Router
WhichlnetworkldevicelislusedltolconvertlbetweenldigitallinformationlfromlalL
ANlandlanaloglsignalslforltransmissionloverlalstandardltelephonelwire?
a.lRepeater
b.lModem
c.lSignallGenerator
d.lBitlStretcherl-lCORRECTlANSWERS-Modem
Whichldevicelcouldlbelusedltolsendlcommandsltolthelmainframelforlremotele
xecutionlinlearlylmainframelinstallations?
a.lDistributedlScreens
b.lDumblTerminals
c.lExecutionlDisplays
d.lCommandlReceiversl-lCORRECTlANSWERS-DumblTerminals
Whichldevicelislresponsiblelforlimplementinglnetworkladdressltranslationl(N
AT)?
vendarsol
,a.lModem
b.lRouter
c.lNIC
d.lSwitchl-lCORRECTlANSWERS-Router
Whichlcommandlproduceslthelfollowingloutput?
Non-authoritativelanswer:
lName:lwww.google.com
lAddress:l172.217.11.132
a.ldig
b.lnslookup
d.lwhois
d.lnmapl-lCORRECTlANSWERS-nslookup
Whichlcommandlshouldlbelusedltolmanuallylenterltheldefaultlgatewaylforlalc
omputer?
a.lroute
b.lipconfig
c.larp
d.lnetstatl-lCORRECTlANSWERS-route
Whichlnetworkldiagnosticltoolldisplayslthelpathlpacketsltakelbetweenltwolen
dpoints?
a.lifconfig
b.ltraceroute
c.lftp
d.lnslookupl-lCORRECTlANSWERS-traceroute
WhichlnetworkltypelislusedltolwirelmultiplelPCsltolalhomelrouter?
a.lLAN
b.lPAN
c.lMAN
d.lWANl-lCORRECTlANSWERS-LAN
Anloffice'slinfrastructurelconnectslnetworkldeviceslandlprinterslthroughlalce
ntrallaccesslpointlwithoutltheluseloflcabling.lWhichlnetworkltypeldoeslthisloff
iceluse?
a.lWLAN
b.lWAN
vendarsol
, c.lCAN
d.lSANl-lCORRECTlANSWERS-WLAN
Whatltypeloflmediumlislcommonlylusedlwithinlal1000lMbpslEthernetlnetwork
?
a.lCATl5
b.lCAT5e
c.lCoax
d.lWirelessl-lCORRECTlANSWERS-CAT5e
Whichlnetworkltopologylislshownlinlthelfollowingldiagram?
a.lFulllmesh
b.lStar
c.lBus
d.lRingl-lCORRECTlANSWERS-FulllMesh
Whichlnetworkltopologylislbeinglimplementedlwhenleachlnodelconnectsltolex
actlyltwolotherlnodes,lforminglalsinglelcontinuouslpathwaylforlsignalslthrou
ghleachlnode?
a.lStar
b.lFulllMesh
c.lRingl
d.lBusl-lCORRECTlANSWERS-Ring
InlwhichlphysicallLANltopologylarelnodeslconnectedltoleachlotherlwithlalback
bonelcablelthatlloopslaroundlandlendslatlthelsamelpointlitlstarted?
a.lRing
b.lBus
c.lStarl
d.lTreel-lCORRECTlANSWERS-Ring
WhichlOSIllayerlensureslerror-freelpackets?
a.lApplicationl
b.lTransport
c.lSession
d.lPresentationl-lCORRECTlANSWERS-Transport
Whichltopologyluseslalswitchlorlhubltolconnectltolallldeviceslinlthelsamelnetw
ork?
vendarsol
Security Foundations Exam Questions
With 100% Correct And Verified Answers
100% 2025
WhichlOSIllayerlislrelatedltolthelfunctionloflthelIPlprotocollsuite?
a.lTransport
b.lNetwork
c.lDatalLink
d.lSessionl-lCORRECTlANSWERS-Network
WhichlOSIllayerlislresponsiblelforlorganizinglhowlbitslarelpassedloverlthelphy
sicalllayerlbetweenldeviceslwithinlthelsamelcollisionldomain?
a.lFrame
b.lConnection
c.lTransport
d.lDatalLinkl-lCORRECTlANSWERS-DatalLink
WhichlOSIllayerlwouldldefinelthelscopeloflalprotocollthatlmakeslsurelpacketsl
ofldatalarelreceivedlcorrectlylandlresendslthemlifltheylarelnot?
a.lValidation
b.lTransmission
c.lTransport
d.lConnectionl-lCORRECTlANSWERS-Transport
WhichlprotocollsuitelperformslfunctionsloflOSIllayerl4?
a.lIPX
b.lMAC
c.lCSMA/CD
d.lTCPl-lCORRECTlANSWERS-TCP
WhichltypeloflEthernetlcablelcanlmaintainl10Gbpsltransmissionlspeedslthrou
ghlthelcourseloflitslmaximuml100-meterllength?
a.lCATl5e
b.lCATl5
vendarsol
,c.lCATl3
d.lCATl6al-lCORRECTlANSWERS-CATl6a
WhichlInternetlaccessltechnologyluseslordinaryltelephonelwireslforldataltran
smission?
a.lDSL
b.lCable
c.lWi-Fi
d.lHotspotl-lCORRECTlANSWERS-DSL
Whichldevicelislusedltolorganizelnetworklcableslasltheylrunlbetweenlswitche
slandlotherlnetworkldevices?
a.lJack
b.lHub
c.lPatchlPanel
d.lRouterl-lCORRECTlANSWERS-PatchlPanel
Whichlnetworkldevicelislusedltolconnectltwolorlmorelnetworklsegmentslbylpe
rforminglOSIllayerl3lfunctionsllikelpacket-forwarding?
a.lRouter
b.lRepeater
c.lWire
d.lSwitchl-lCORRECTlANSWERS-Router
WhichlnetworkldevicelislusedltolconvertlbetweenldigitallinformationlfromlalL
ANlandlanaloglsignalslforltransmissionloverlalstandardltelephonelwire?
a.lRepeater
b.lModem
c.lSignallGenerator
d.lBitlStretcherl-lCORRECTlANSWERS-Modem
Whichldevicelcouldlbelusedltolsendlcommandsltolthelmainframelforlremotele
xecutionlinlearlylmainframelinstallations?
a.lDistributedlScreens
b.lDumblTerminals
c.lExecutionlDisplays
d.lCommandlReceiversl-lCORRECTlANSWERS-DumblTerminals
Whichldevicelislresponsiblelforlimplementinglnetworkladdressltranslationl(N
AT)?
vendarsol
,a.lModem
b.lRouter
c.lNIC
d.lSwitchl-lCORRECTlANSWERS-Router
Whichlcommandlproduceslthelfollowingloutput?
Non-authoritativelanswer:
lName:lwww.google.com
lAddress:l172.217.11.132
a.ldig
b.lnslookup
d.lwhois
d.lnmapl-lCORRECTlANSWERS-nslookup
Whichlcommandlshouldlbelusedltolmanuallylenterltheldefaultlgatewaylforlalc
omputer?
a.lroute
b.lipconfig
c.larp
d.lnetstatl-lCORRECTlANSWERS-route
Whichlnetworkldiagnosticltoolldisplayslthelpathlpacketsltakelbetweenltwolen
dpoints?
a.lifconfig
b.ltraceroute
c.lftp
d.lnslookupl-lCORRECTlANSWERS-traceroute
WhichlnetworkltypelislusedltolwirelmultiplelPCsltolalhomelrouter?
a.lLAN
b.lPAN
c.lMAN
d.lWANl-lCORRECTlANSWERS-LAN
Anloffice'slinfrastructurelconnectslnetworkldeviceslandlprinterslthroughlalce
ntrallaccesslpointlwithoutltheluseloflcabling.lWhichlnetworkltypeldoeslthisloff
iceluse?
a.lWLAN
b.lWAN
vendarsol
, c.lCAN
d.lSANl-lCORRECTlANSWERS-WLAN
Whatltypeloflmediumlislcommonlylusedlwithinlal1000lMbpslEthernetlnetwork
?
a.lCATl5
b.lCAT5e
c.lCoax
d.lWirelessl-lCORRECTlANSWERS-CAT5e
Whichlnetworkltopologylislshownlinlthelfollowingldiagram?
a.lFulllmesh
b.lStar
c.lBus
d.lRingl-lCORRECTlANSWERS-FulllMesh
Whichlnetworkltopologylislbeinglimplementedlwhenleachlnodelconnectsltolex
actlyltwolotherlnodes,lforminglalsinglelcontinuouslpathwaylforlsignalslthrou
ghleachlnode?
a.lStar
b.lFulllMesh
c.lRingl
d.lBusl-lCORRECTlANSWERS-Ring
InlwhichlphysicallLANltopologylarelnodeslconnectedltoleachlotherlwithlalback
bonelcablelthatlloopslaroundlandlendslatlthelsamelpointlitlstarted?
a.lRing
b.lBus
c.lStarl
d.lTreel-lCORRECTlANSWERS-Ring
WhichlOSIllayerlensureslerror-freelpackets?
a.lApplicationl
b.lTransport
c.lSession
d.lPresentationl-lCORRECTlANSWERS-Transport
Whichltopologyluseslalswitchlorlhubltolconnectltolallldeviceslinlthelsamelnetw
ork?
vendarsol
